Toothbrush



FIG. 1 is a front, top, and right perspective view of a toothbrush showing the new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan thereof;

FIG. 7 is a top plan thereof;

FIG. 8 is a front, top, and right perspective view of a second embodiment showing the new design;

FIG. 9 is a right side elevational view thereof;

FIG. 10 is a front elevational thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a rear elevational view thereof;

FIG. 13 is a bottom plan thereof; and,

FIG. 14 is a top plan thereof. 

CLAIM The ornamental design for a toothbrush, as shown and described. 